and the debate sparked by president obama's new picks for his national security team. former republican senator chuck hagel is in for a confirmation fight before he becomes defense secretary. and obama aide john brennan will also face some tough questions in his bid for the cia. jon karl is covering it all from washington. good morning, jon. >> reporter: the president has put together the final pieces of his national security team. but he'll have to do battle with congress before getting them all in place. the president is wasting no time defending his chosen national security team. >> my number one criteria in making these decisions was simple. who is going to do the best job in securing america? >> reporter: president obama's choice for defense secretary, chuck hagel, is a decorated vietnam veteran, with shrapnel from that war still in his chest. >> mr. president, i will always give you my honest and most informed counsel. >> reporter: while he's a former republican senator, this morning, he's drawing sharp criticism from both the right and the left, after comments h